in science exhibition how lamp can blink when you clap near the lamp ? thank you

0 Answers  

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What is online and offline ups? how does it works?

0 Answers   Call Centre,

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the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

2 Answers   APCPDCL, APEPDCL,

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How much current does a motor take in no load condition?

6 Answers  

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how the magnetic flux is said to be rotating & alternating?

4 Answers  

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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what is the dedicated neutral earth in ups? y its required?

4 Answers  

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In LT Line What is the minimum clearance required between phase to phase busbar & between Phase to body of the panel? Also between Neutral &phase, & Neutral & body of panel. as per standards.

1 Answers  

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what is the difference between ground, earth and neutral?????????....

1 Answers  

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sir, plz tell me how much kvar capacitor required for 1000 amp or 500 Kw load ? what is the formula ?

14 Answers   CSPL,

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what are fluorescent lamps (fluorescent fixtures) & what are incandescen lamps (incandescents fixtures) ? differences between these two ?

1 Answers  

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